- Migeon, J.1
- Mitchell, S. Augustus (Samuel Augustus), 1792-18681
- Monterey County (Calif.)1
- Moss Landing Marine Laboratories1
- National Ocean Service Hydrographic Surveys1
- Naval Air Systems Command (NAVAIR)1
- Owen, W. F. W., 1774-18571
- Pepper, W., active 18581
- Pisani, Almorò Alvise, 1754-18081
- Radefeld, Carl Christian Franz, 1788-18741
- Rapkin, J.1
- Rebecca Flores Miller1
- Richardson, Andy1
- Rumsey, David, 1944-1
- Russell, John, fl. 1733-17951
- Stabilimento di Giuseppe Civelli1
- Stanford University. Woods Institute for the Environment1
- Starling, Thomas1
- Stieler, Adolf1
- Swanston, George H.1